The £35m fee being quoted by Augsburg could prove a stumbling block for United

But Max's evident attacking ability would add a further dimension to Mourinho's side, able to create from both flanks with right-back Antonio Valencia already a potent threat going forward.

Max won silver with the German under-23s team at the 2016 Rio Olympics but is yet to represent the senior side, with Cologne's Jonas Hector and Marvin Plattenhardt of Hertha preferred in Joachim Low's squad for this summer's World Cup.

Eric Cantona returns to Manchester United for Soccer Aid but leaves Kirsty Gallacher in shock after 'Kung fu kick' joke during interview